[1] [1] X. Wang, G. Yao, X. Zhang, X. Xu, E. Feng, X. Ji, and Z. Cui, Chinese J. Lasers (in Chinese) 32, 1211 (2005).

[2] [2] G. Zhang, Y. Jin, and L. Zhang, Chin. Opt. Lett. 4, 439 (2006).

[3] [3] G. Zhang and Y. Jin, Chin. Opt. Lett. 6, 800 (2008).

[4] [4] G. Yao, X. Wang, C. Du, H. Li, X. Zhang, X. Zheng, X. Ji, and Z. Cui, Acta Phys. Sin. (in Chinese) 55, 2210(2006).

[5] [5] G. Zhang, L. Zhang, X. Yang, B. Sun, and X. Zhao. Acta Opt. Sin. (in Chinese) 24, 718 (2004).

[6] [6] G. Zhang and Y. Jin, Acta Phys. Sin. (in Chinese) 57,132 (2008).

[7] [7] G. Zhang, L. Zhang, B. Sun, X. Han, and W. Yu, Chin. Phys. 14, 524 (2005).

[8] [8] S.-M. Wang, S.-L. Cong, K.-J. Yuan, and Y.-Y. Niu, Chem. Phys. Lett. 417, 164 (2006).

[9] [9] C. Wu, Y. He, and W. Kong, Chem. Phys. Lett. 398, 351 (2004).

[10] [10] H.-C. Wu, C.-C. Chen, and Y.-T. Chen, Spectrochim. Acta Part A 69, 27 (2008).

[11] [11] G. Zhang and Y. Jin, Chin. Opt. Lett. 5, 249 (2007).

[12] [12] V. Sivakumaran, K. P. Subramanian, and V. Kumar, J. Quant. Spectrosc. Radiat. Transfer 69, 525 (2001).

[13] [13] V. M. Donnelly and F. Kaufman, J. Chem. Phys. 66, 4100 (1977).

[14] [14] J. Maul, K. Eberhardt, G. Huber, S. Karpuk, G. Passler, M. C. Roca-Saiz, I. Strachnov, N. Trautmann, and K. Wendt, Opt. Commun. 256, 364 (2005).

[15] [15] T. Ebata, N. Mikami, and M. Ito, J. Chem. Phys. 78, 1132 (1983).

[16] [16] H. Li, Y. Fu, X. Zhang, X. Ji, E. Feng, and Z. Cui, J. Anhui Normal University (in Chinese) 29, 444 (2006).